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USPTO Patent Rankings Data through Dec 31, 2025
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Robert G. Spinks — 2 Patents

KIKeithley Instruments: 2 patents #25 of 82Top 35%
Twinsburg, OH: #111 of 253 inventorsTop 45%
Ohio: #30,551 of 73,341 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert G. Spinks has been granted 2 US patents while listed as an inventor at Keithley Instruments. All of these patents were granted in 1994. Robert G. Spinks ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert G. Spinks in Twinsburg, OH, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D343799 Electronic measuring/monitoring instrument William J. Kasprik, Maria G. Mock, Kenneth A. Reindel 1994-02-01
D343800 Electronic measuring/monitoring instrument David Kruszewski, Michael Minneman, Kenneth A. Reindel 1994-02-01